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1.
Definition: Unintententional Denial-of-service attack caused by a VIP (such as Stephen Fry) when posting about a site.
To: Webmaster
From: VIP
Subject: VIPDoS
Please ensure you have lots of capacity and plenty of caching, because I, Stephen Fry am going to tweet your site, thereby VIPDoSsing it.
Have a nice day now.
Mr Fry

Please note the above example is entirely ficitonal :)
by sfry_elf September 02, 2009